.list-group {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
  justify-content: space-between;
  align-content: space-between;
}

button.list-group-item {
  display: inline-block;
  box-sizing: border-box;
  width: 150px;
  border-radius: 5px;
  text-align: center;
  margin-top: 15px;
}
button.list-group-item.choosed {
  background-color: black;
  color: white;
}
.button-row {
  width: 100%;
  box-sizing: border-box;
  margin: 5px 10px 5px 0;
  text-align: right;
}
input[type='checkbox'] {
  width: 34px;
  margin-right: 0;
  padding-right: 0;
  display: inline-block;
}
label.check {
  width: 100%;
  display: inline;
}
.success {
  width: 360px;
  height: 360px;
  line-height: 90px;
  text-align: center;
  margin: 30px auto;
}
.success-title {
  font-size: 24px;
  margin-bottom: 30px;
}
.block-step {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
  justify-content: space-between;
  align-content: space-between;
  margin-top: 50px;
}
.step {
  width: 150px;
  height: 50px;
  text-align: center;
  z-index: 10;
}
.step-number {
  width: 26px;
  height: 26px;
  border-radius: 13px;
  border: solid 1px black;
  text-align: center;
  font-size: 13px;
  background-color: white;
  margin: auto auto;
  line-height: 26px;
}
.line {
  position: absolute;
  width: 100%;
  height: 1px;
  background-color: black;
  left: 0px;
  top: 13px;
  z-index: 1;
}
.step-display {
  display: none;
}
.step-choosed {
  background-color: silver;
}
h1.main-title {
  font-size: 18px;
}